UPDATE 
  cscart_june_setuplock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TXwnS4br8ODs0L24yGLhDbnEKCtqeaE3tGA3gP3dTv8=' 
WHERE 
  key_id = '4fdfa494206f6be0d910993fff890ed52bd34176666b76044c2aa872013d33fe' 
  AND (
    token = 'TXwnS4br8ODs0L24yGLhDbnEKCtqeaE3tGA3gP3dTv8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00043